package com.hethongviet.preventingmachine.helps.db;

import java.util.ArrayList;
import java.util.List;

import com.hethongviet.preventingmachine.Utils;
import com.hethongviet.preventingmachine.models.Camera;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;

public class CameraSQLite
{
	public static final String TABLE_NAME = "cameras";

	public static final String COLUMN_ID_DB = "idDB";

	public static final String COLUMN_ADDRESS = "address";
	public static final String COLUMN_NAME = "name";

	// Database fields
	private SQLiteDatabase _database;
	private MySQLiteHelper _dbHelper;
	private String[] _allColumns = { COLUMN_ID_DB,

	COLUMN_ADDRESS, COLUMN_NAME };

	public static final String STRING_COLUMNS = COLUMN_ID_DB
			+ " INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL UNIQUE, "

			+ COLUMN_ADDRESS + " text, " + COLUMN_NAME + " text";

	public CameraSQLite(Context context, String databaseName)
	{
		_dbHelper = new MySQLiteHelper(context, null, null, databaseName);
	}

	public void open() throws SQLException
	{
		_database = _dbHelper.getWritableDatabase();
	}

	public void close()
	{
		_dbHelper.close();
	}

	private boolean dataExist(Camera camera, Cursor cursor)
	{
		if (cursor == null)
		{
			return false;
		}
		for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext())
		{
			long idDB = cursor.getLong(cursor.getColumnIndex(COLUMN_ID_DB));
			if (idDB == camera.getIdDB()) return true;
		}
		return false;
	}

	public long insert(Camera camera)
	{
		Utils.debug("insert -- " + TABLE_NAME + " : camera = "
				+ camera.getName());
		open();

		Cursor cursor = _database.rawQuery("SELECT * FROM " + TABLE_NAME
				+ " WHERE " + COLUMN_ID_DB + " = " + camera.getIdDB(), null);

		long temp = -1;
		if (!dataExist(camera, cursor))
		{
			Utils.debug("insert 1111111111111 INSERT");
			/* Insert to database */
			/* Insert new */
			Cursor cursorInsert = _database.rawQuery("INSERT INTO "
					+ TABLE_NAME + "(" + COLUMN_ADDRESS + ", " + COLUMN_NAME
					+ ") values(?, ?)",

			new String[] { camera.getAddress(), camera.getName() });

			cursorInsert.moveToFirst();
			if (!cursorInsert.isAfterLast()) temp = cursorInsert.getLong(cursorInsert.getColumnIndex(COLUMN_ID_DB));

			cursorInsert.close();
		}
		else
		{
			Utils.debug("insert 1111111111111 update");
			ContentValues contentValues = new ContentValues();
			contentValues.put(COLUMN_ADDRESS, camera.getAddress());
			contentValues.put(COLUMN_NAME, camera.getName());

			temp = _database.update(TABLE_NAME, contentValues, COLUMN_ID_DB
					+ " = " + camera.getIdDB(), null);
		}
		cursor.close();
		close();
		return temp;
	}

	public void deleteAll()
	{
		open();

		System.out.println("project deleted all");
		// _database.rawQuery("DELETE FROM " + TABLE_NAME, null); not work
		// _database.rawQuery("DELETE FROM " + TABLE_NAME + " WHERE 1", null);
		_database.delete(TABLE_NAME, "1", null);
		close();
	}

	public void delete(Camera camera)
	{
		open();

		System.out.println("project deleted " + TABLE_NAME + " id = " + camera.getIdDB());
		_database.delete(TABLE_NAME, COLUMN_ID_DB + " = " + camera.getIdDB(), null);
		close();
	}

	public List<Camera> getAll()
	{
		open();

		List<Camera> listCameras = new ArrayList<Camera>();

		Cursor cursor = _database.query(TABLE_NAME, _allColumns, null, null,
				null, null, null);
		cursor.moveToFirst();
		while (!cursor.isAfterLast())
		{
			Camera camera = cursorToCamera(cursor);
			listCameras.add(camera);
			cursor.moveToNext();
		}
		// Make sure to close the cursor
		cursor.close();
		close();
		return listCameras;
	}

	private Camera cursorToCamera(Cursor cursor)
	{
		Camera account = new Camera();
		account.setIdDB(cursor.getLong(cursor.getColumnIndex(COLUMN_ID_DB)));
		account.setAddress(cursor.getString(cursor.getColumnIndex(COLUMN_ADDRESS)));
		account.setName(cursor.getString(cursor.getColumnIndex(COLUMN_NAME)));
		return account;
	}

	public final boolean isTableExist()
	{
		open();

		boolean isExist = false;
		Cursor cursor = _database.rawQuery(
				"select DISTINCT tbl_name from sqlite_master where tbl_name = '"
						+ TABLE_NAME + "'", null);
		isExist = cursor != null && cursor.getCount() > 0;

		cursor.close();
		close();

		return isExist;
	}
}
